他们加固河堤让村子免受洪水之灾.By strengthening the embankments they secured the village from floods.这孩子老给父母招灾惹祸.This child is always making trouble for his parents.它被称为thePan-CaribbeanDisasterPreparednessandPreventionProject（泛加勒比备灾防灾项...
你已把海蜇都赶走了.You've cleared all the jelly - fish out of the way.海蜇有各种形状 、 大小和颜色.Jellyfish come in a variety of shapes, sizes and colors.海蜇的蛰刺实际上来自海蜇体上微小的刺丝囊刺细胞.The jellyfish sting actually comes from tiny nematocysts o...